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import { PublicKey, TransactionInstruction } from "@solana/web3.js"; | ||
import * as BufferLayout from "buffer-layout"; | ||
import { RateLimiterConfig } from "../state/rateLimiter"; | ||
import * as Layout from "../utils/layout"; | ||
import { LendingInstruction } from "./instruction"; | ||
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export const ForgiveDebtInstruction = ( | ||
obligation: PublicKey, | ||
reserve: PublicKey, | ||
lendingMarket: PublicKey, | ||
lendingMarketOwner: PublicKey, | ||
liquidityAmount: number, | ||
lendingProgramId: PublicKey | ||
): TransactionInstruction => { | ||
const dataLayout = BufferLayout.struct([ | ||
BufferLayout.u8("instruction"), | ||
Layout.uint64("liquidityAmount"), | ||
]); | ||
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const data = Buffer.alloc(dataLayout.span); | ||
dataLayout.encode( | ||
{ | ||
instruction: LendingInstruction.SetLendingMarketOwnerAndConfig, | ||
liquidityAmount: liquidityAmount, | ||
}, | ||
data | ||
); | ||
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const keys = [ | ||
{ pubkey: obligation, isSigner: false, isWritable: true }, | ||
{ pubkey: reserve, isSigner: false, isWritable: true }, | ||
{ pubkey: lendingMarket, isSigner: false, isWritable: false }, | ||
{ pubkey: lendingMarketOwner, isSigner: true, isWritable: false }, | ||
]; | ||
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return new TransactionInstruction({ | ||
keys, | ||
programId: lendingProgramId, | ||
data, | ||
}); | ||
}; |
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59 changes: 59 additions & 0 deletions
59
solend-sdk/src/instructions/setLendingMarketOwnerAndConfig.ts
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,59 @@ | ||
import { PublicKey, TransactionInstruction } from '@solana/web3.js'; | ||
import * as BufferLayout from 'buffer-layout'; | ||
import {RateLimiterConfig} from '../state/rateLimiter'; | ||
import * as Layout from "../utils/layout"; | ||
import { LendingInstruction } from './instruction'; | ||
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/// Sets the new owner of a lending market. | ||
/// | ||
/// Accounts expected by this instruction: | ||
/// | ||
/// 0. `[writable]` Lending market account. | ||
/// 1. `[signer]` Current owner. | ||
export const SetLendingMarketOwnerAndConfigInstruction = ( | ||
lendingMarket: PublicKey, | ||
currentMarketOwner: PublicKey, | ||
newMarketOwner: PublicKey, | ||
newRateLimiterConfig: RateLimiterConfig, | ||
whitelistedLiquidator: PublicKey | null, | ||
riskAuthority: PublicKey, | ||
lendingProgramId: PublicKey, | ||
): TransactionInstruction => { | ||
if (whitelistedLiquidator != null) { | ||
throw new Error("Whitelisted liquidator not supported yet"); | ||
} | ||
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const dataLayout = BufferLayout.struct([ | ||
BufferLayout.u8('instruction'), | ||
Layout.publicKey('newOwner'), | ||
Layout.uint64('windowDuration'), | ||
Layout.uint64('maxOutflow'), | ||
BufferLayout.u8('whitelistedLiquidator'), | ||
Layout.publicKey('riskAuthority'), | ||
]); | ||
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const data = Buffer.alloc(dataLayout.span); | ||
dataLayout.encode( | ||
{ | ||
instruction: LendingInstruction.SetLendingMarketOwnerAndConfig, | ||
newOwner: newMarketOwner, | ||
windowDuration: newRateLimiterConfig.windowDuration, | ||
maxOutflow: newRateLimiterConfig.maxOutflow, | ||
whitelistedLiquidator: 0, | ||
riskAuthority: riskAuthority, | ||
}, | ||
data, | ||
); | ||
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const keys = [ | ||
{ pubkey: lendingMarket, isSigner: false, isWritable: true }, | ||
{ pubkey: currentMarketOwner, isSigner: true, isWritable: false }, | ||
]; | ||
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return new TransactionInstruction({ | ||
keys, | ||
programId: lendingProgramId, | ||
data, | ||
}); | ||
}; |
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